Aopen s651m Manuale Utente
Connecting CNR (Communication and Network Riser)
Expansion Slot
Expansion Slot
CNR is a riser card specification to replace the AMR (Audio/Modem Riser) that
supports V.90 analog modem, multi-channel audio, and phone-line based
networking. Owing to CPU computing power getting stronger, the digital
processing job can be implemented in main chipset and share CPU power. The
analogy conversion (CODEC) circuit requires a different and separate circuit
design, which is put on CNR card. This motherboard implements sound CODEC on
board, but reserves CNR slot for the option of modem function. Note that you can
still use PCI modem card. Please note that if you want to use CNR audio card on
CNR slot, you must disable the sound output of CODEC from BIOS to prevent the
CODEC from making out noises at the same time.
supports V.90 analog modem, multi-channel audio, and phone-line based
networking. Owing to CPU computing power getting stronger, the digital
processing job can be implemented in main chipset and share CPU power. The
analogy conversion (CODEC) circuit requires a different and separate circuit
design, which is put on CNR card. This motherboard implements sound CODEC on
board, but reserves CNR slot for the option of modem function. Note that you can
still use PCI modem card. Please note that if you want to use CNR audio card on
CNR slot, you must disable the sound output of CODEC from BIOS to prevent the
CODEC from making out noises at the same time.
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